US2857663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic bond
Assignee: General Electric Co
•
Filing: 1954-02-09
•
Granted: 1958-10-28
•
Expires: 1974-02-09
Abstract
No abstract record available.
Inventors
- 👤 James E Beggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:07
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B37/003; C04B37/006; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/123; C04B2237/124; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/40; C04B2237/403; C04B2237/50; C04B2237/64; C04B2237/70; C04B2237/708; C04B2237/72; C04B2237/74; C04B2237/76; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12771; Y10T428/12778; Y10T428/12806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
THE METHOD OF MAKING A BOND BETWEEN A METAL MEMBER AND A NON-METALLIC BODY BY MEANS OF A METAL SHIM MEMBER WHICH COMPRISES PLACING SAID MEMBERS AND SAID BODY IN A SHACK WITH SAID METAL SHIM MEMBER INTERPOSED BETWEEN SAID METAL MEMBER AND SAID BODY ONE OF SAID MEMBERS CONSISTING ESSENTIALLY OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM,ZIRCONIUM, HAFNIUM, THORIUM AND ALLOYS OF MORE THAN ONE METAL OF SAID GROUP AND THE OTHER OF SAID METAL MEMBERS CONSISTING ESSENTIALLY OF METAL SELECTED FROM THE GROUP CONSISTING OF COOPER, NICKEL, IRON, MOLYBDENUM, CHROMMIUM, PLATINUM, COBALT AND ALLOYS OF MORE THAN ONE METAL OF SAID GROUP, HEATING THE STACK IN A NONREACTIVE ATMOSPHERE TO A TEMPERATURE AT LEAST EQUAL TOTHE MELTING POINT OF THE EUTECTIC ALLOY OF THE METAL MEMBER AND THE METAL SHIM MEMBER AND BELOW THE MELTING POINT OF BOTH OF SAID MEMBERS TO FORM IN PLACE A MOLTEN REACTIVE ALLOY WHICH WETS THE NON-METALLIC REFRACTORY BODY AND COOLING THE SHACK TO PROVIDE A BOND CAPABLE OF WITHSTANDING A TEMPERATURE SUBSTANTIALLY EQUAL TO THAT AT WHICH THE BOND WAS FORMED.
Claim 2
Independent Claim
183 words
THE METHOD OF MAKING A BOND BETWEEN A METAL MEMBER AND A NON-METALLIC BODY BY MEANS OF A METAL SHIM MEMBER WHICH COMPRISES PLACING SAID MEMBERS AND SAID BODY IN A SHACK WITH SAID METAL SHIM MEMBER INTERPOSED BETWEEN SAID METAL MEMBER AND SAID BODY ONE OF SAID MEMBERS CONSISTING ESSENTIALLY OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM,ZIRCONIUM, HAFNIUM, THORIUM AND ALLOYS OF MORE THAN ONE METAL OF SAID GROUP AND THE OTHER OF SAID METAL MEMBERS CONSISTING ESSENTIALLY OF METAL SELECTED FROM THE GROUP CONSISTING OF COOPER, NICKEL, IRON, MOLYBDENUM, CHROMMIUM, PLATINUM, COBALT AND ALLOYS OF MORE THAN ONE METAL OF SAID GROUP, HEATING THE STACK IN A NONREACTIVE ATMOSPHERE TO A TEMPERATURE AT LEAST EQUAL TOTHE MELTING POINT OF THE EUTECTIC ALLOY OF THE METAL MEMBER AND THE METAL SHIM MEMBER AND BELOW THE MELTING POINT OF BOTH OF SAID MEMBERS TO FORM IN PLACE A MOLTEN REACTIVE ALLOY WHICH WETS THE NON-METALLIC REFRACTORY BODY AND COOLING THE SHACK TO PROVIDE A BOND CAPABLE OF WITHSTANDING A TEMPERATURE SUBSTANTIALLY EQUAL TO THAT AT WHICH THE BOND WAS FORMED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |